/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.nifi.py4j;

import org.apache.nifi.python.processor.PythonProcessorAdapter;

public interface ProcessorCreationWorkflow {

    /**
     * @return <code>true</code> if the Processor has been packaged along with its dependencies, <code>false</code> otherwise
     */
    boolean isPackagedWithDependencies();

    /**
     * Downloads any dependencies required by the Processor using <code>pip</code>.
     * If the Processor is already packaged with its dependencies, this method does nothing.
     */
    void downloadDependencies();

    /**
     * Creates the Processor on the Python side and returns an adapter for interacting with the Processor from the Java side.
     * @return an adapter for interacting with the Python Processor
     */
    PythonProcessorAdapter createProcessor();

}
